👉 Magnification is a measure of how closely an object appears to another object when viewed from one distance compared to a second, usually with respect to time. It can be thought of as the ratio of the size of an object to its corresponding image size on a flat surface. For example, if you have two different images of a cat on a screen and your eye is 1 meter away from the screen, then the magnification would be: $$ \text{Magnification} = \frac